Compaq Presario SR5209UK can be upgraded to a maximum memory of
8.0 GB , this system has 4 sockets to install
Memory and comes already installed with 1.0 GB (removable) of standard Memory. Compaq Presario SR5209UK takes PC2-5300 DDR2 SDRAM DIMMs. Supports Dual Channel DDR2 . You may choose the following Memory Upgrades.